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2 .
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3 .A bus travelling with $5\over54$ of its usual speed covers 84 km in 1hr 40 min 48 second. What is the usual speed of the bus?
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4 .P and Q can complete a piece of work in 14 days and 16 days respectively. P begins to do the work and they work alternately one at a time for one day each. The whole work will be completed in–
A.14$7\over15$ days
B.7$7\over15$ days
C.14$7\over8$ days
D.7$7\over8$ days
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5 .In a barrack of soldiers there was stock for 55 days for 300 soldiers. After 31 days 100 soldiers left the barrack. For how many days shall the leftover food last for the remaining soldiers?
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6 .` 12240 is divided among A, B & C such that A gets $2\over3$ of what B gets and B gets $1\over8$ of what C gets. The share of C is –
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7 .If $8x^2$ – $6y^2$ : $4x^2$ + $10y^2$ = 24 : 38 then the value of x:y is–
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8 .The cost price of 45 articles is same as the selling price of 40 articles. The prof it percent is–
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9 .By Selling an article for ` 256 a man loses $1\over9$ of his cost price. By selling it for ` 288, his gain or loss percent it.
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10 .A discount series of 15% & 25% on an invoice is the same as a single discount of–
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